Objective To evaluate the prevalence of occult HBV infection( OBI) among the anti-HBc positive qualified blood donors,and to analyze the serological and biological characteristics of hepatitis B virus. Methods Anti-HBc positive blood donations negative for HBs Ag and HBV DNA were evaluated by standard NAT from Shenzhen for the presence of HBV DNA by sensitive nested PCR and QPCR. The titers of anti-HBs were quantified. The HBV DNA positive donors were followed up. Results Of the 1 033 qualified donors,47. 4...
【更新日期】
2016-12-02
【分类号】
R512.62
【正文快照】
隐匿性乙型肝炎病毒感染(occult hepatitis B virus infec-tion,OBI)是肝组织或血清中乙肝表面抗原(HBs Ag)检测阴性而DNA阳性,通常病毒载量低或不可定量[1]。隐匿性乙肝感染不仅存在于一般人群,研究证实可以通过输血传播,是造成HBV输血传播的1个重要原因[2,3]。本课题指导者英